Shopify Development
We build Shopify stores, landing pages, and product pages designed to increase sales and improve customer experience.
CRO & Funnel Optimization
We optimize product pages and sales funnels to improve conversion rates, increase AOV, and reduce drop-offs.
UI/UX Strategy
We combine premium design with buyer psychology to create smooth shopping experiences that build trust and convert better.
Ads & Growth Marketing
Helping brands build better stores, stronger funnels, and higher-converting customer journeys across global e-commerce markets.
Md Rayhan Mia
Founder & Lead Growth Engineer at RexTant I don’t just build websites; I engineer high-performance digital systems designed to scale revenue. With a Diploma in Engineering in Computer Technology and a focused expertise in 'Growth Engineering,' I prioritize how revenue flows through checkouts over basic aesthetics. As the founder of RexTant, I lead a specialized team that has successfully delivered over 700 projects for a global clientele. Recognized as a Top-Rated Seller on both Fiverr and Upwork, I specialize in creating conversion-focused ecosystems on Shopify, WordPress, and Webflow that drive measurable business growth across Facebook, Instagram, Google, and TikTok.
Design Skill
Shopify Landing Page Design
Product Page Optimization
Mobile First UX Design
Conversion Focused Layout
Social Media Marketing
Development Skill
Shopify Theme Customization
Liquid and Custom Code
App Integration and Automation
Facebook, Tiktok & Google Ads
Speed Optimization
00
Years of Experience
Helping brands build better stores, stronger funnels, and higher-converting customer journeys across global e-commerce markets.
00+
Projects Completed
00+
5-Star Reviews
00+
Clients Worldwide
00%
Client Satisfaction Rate
Education
Shopify CRO Specialist
2020 – Present
Focused on building high-converting Shopify stores, optimized landing pages, and scalable e-commerce systems for brands worldwide.
Funnel & Landing Page Expert
2019 – Present
Helping businesses improve sales through strategic sales funnels, advertorial pages, and conversion optimization systems.
UI/UX & Brand Experience
2018 – Present
Creating premium user experiences that improve trust, retention, and customer buying decisions.
Freelance Growth Consultant
2017 – Present
Working with founders, agencies, and DTC brands to solve revenue leaks and improve overall store performance.
Experiences
Md Rayhan Mia
Web Design Development and Ads Expert
Top Rated Sellar on Fiverr & Upwork
Successfully delivered 700+ projects for global clients with strong focus on CRO, Shopify development, and high-converting sales systems..
RexTant
Conversion-Focused Agency Builder
Founder & Lead Engineer at RexTant.
Building RexTant as a performance-driven e-commerce growth agency focused on helping brands scale through better conversion systems..
Flexible Solutions for Growing Brands
Choose the right level of support based on your business stage, project goals, and growth strategy.
$350
Perfect for single landing pages, quick fixes, and product page improvements.
-
Product Page Optimization
-
Landing Page Design
-
Mobile Optimization
-
Basic CRO Improvements
-
Fast Delivery
$900
Best for growing Shopify brands ready for serious conversion improvements.
-
Full Product Page Revamp
-
Funnel Optimization
-
CRO Strategy
-
Upsell Flow Improvements
-
Store Experience Enhancement
$2,500+
Built for brands ready to scale aggressively with complete store optimization.
-
Full Store CRO Revamp
-
Homepage + PDP + Collection Pages
-
High-Converting Funnel System
-
Retention Flow Strategy
-
Priority Support
Elevate Your Brand
with RexTant
If your store looks good but isn’t converting the way it should, we can fix that. From strategy to execution, we help e-commerce brands increase revenue through better design, stronger funnels, and smarter conversion systems. Let’s build something that actually sells.